Applicable to Blueair 203/205/270E/280i/203 Slim/303 Air Purifier.
Micro HEPA Filtration Technology
Filter uses a high grade filtration material primarily used in cleanrooms, can capture 99.99% of particles down to 0.3 microns.
Activated Carbon Filtration
Activated carbon is a type charcoal that is treated with oxygen in order to open up millions of tiny pores between the carbon atoms, resulting in a high adsorption of gases, chemical, and odors.
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